org.apache.flink.connector.file.table

类 FileSystemTableSource

java.lang.Object

org.apache.flink.connector.file.table.FileSystemTableSource

所有已实现的接口:

org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown, org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown, org.apache.flink.table.connector.source.abilities.SupportsPartitionPushDown, org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown, org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata, org.apache.flink.table.connector.source.DynamicTableSource, org.apache.flink.table.connector.source.ScanTableSource

@Internal
public class FileSystemTableSource
extends Object
implements org.apache.flink.table.connector.source.ScanTableSource, org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown, org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown, org.apache.flink.table.connector.source.abilities.SupportsPartitionPushDown, org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown, org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata

File system table source.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.table.connector.source.ScanTableSource

org.apache.flink.table.connector.source.ScanTableSource.ScanContext, org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider

从接口继承的嵌套类/接口 org.apache.flink.table.connector.source.DynamicTableSource

org.apache.flink.table.connector.source.DynamicTableSource.Context, org.apache.flink.table.connector.source.DynamicTableSource.DataStructureConverter

从接口继承的嵌套类/接口 org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown

org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown.Result

构造器概要

构造器

构造器和说明

FileSystemTableSource(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier, org.apache.flink.table.types.DataType physicalRowDataType, List<String> partitionKeys, org.apache.flink.configuration.ReadableConfig tableOptions, org.apache.flink.table.connector.format.DecodingFormat<BulkFormat<org.apache.flink.table.data.RowData,FileSourceSplit>> bulkReaderFormat, org.apache.flink.table.connector.format.DecodingFormat<org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>> deserializationFormat)

方法概要

限定符和类型	方法和说明
org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown.Result	applyFilters(List<org.apache.flink.table.expressions.ResolvedExpression> filters)
void	applyLimit(long limit)
void	applyPartitions(List<Map<String,String>> remainingPartitions)
void	applyProjection(int[][] projectedFields, org.apache.flink.table.types.DataType producedDataType)
void	applyReadableMetadata(List<String> metadataKeys, org.apache.flink.table.types.DataType producedDataType)
String	asSummaryString()
FileSystemTableSource	copy()
org.apache.flink.table.connector.ChangelogMode	getChangelogMode()
org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider	getScanRuntimeProvider(org.apache.flink.table.connector.source.ScanTableSource.ScanContext scanContext)
Optional<List<Map<String,String>>>	listPartitions()
Map<String,org.apache.flink.table.types.DataType>	listReadableMetadata()
boolean	supportsNestedProjection()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown

applyProjection

从接口继承的方法 org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata

supportsMetadataProjection

构造器详细资料

FileSystemTableSource

public FileSystemTableSource(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier,
                             org.apache.flink.table.types.DataType physicalRowDataType,
                             List<String> partitionKeys,
                             org.apache.flink.configuration.ReadableConfig tableOptions,
                             @Nullable
                             org.apache.flink.table.connector.format.DecodingFormat<BulkFormat<org.apache.flink.table.data.RowData,FileSourceSplit>> bulkReaderFormat,
                             @Nullable
                             org.apache.flink.table.connector.format.DecodingFormat<org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>> deserializationFormat)

方法详细资料

getScanRuntimeProvider

public org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider getScanRuntimeProvider(org.apache.flink.table.connector.source.ScanTableSource.ScanContext scanContext)

指定者:

getScanRuntimeProvider 在接口中 org.apache.flink.table.connector.source.ScanTableSource

getChangelogMode

public org.apache.flink.table.connector.ChangelogMode getChangelogMode()

指定者:

getChangelogMode 在接口中 org.apache.flink.table.connector.source.ScanTableSource

applyFilters

public org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown.Result applyFilters(List<org.apache.flink.table.expressions.ResolvedExpression> filters)

指定者:

applyFilters 在接口中 org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown

applyLimit

public void applyLimit(long limit)

指定者:

applyLimit 在接口中 org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown

listPartitions

public Optional<List<Map<String,String>>> listPartitions()

指定者:

listPartitions 在接口中 org.apache.flink.table.connector.source.abilities.SupportsPartitionPushDown

applyPartitions

public void applyPartitions(List<Map<String,String>> remainingPartitions)

指定者:

applyPartitions 在接口中 org.apache.flink.table.connector.source.abilities.SupportsPartitionPushDown

supportsNestedProjection

public boolean supportsNestedProjection()

指定者:

supportsNestedProjection 在接口中 org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown

copy

public FileSystemTableSource copy()

指定者:

copy 在接口中 org.apache.flink.table.connector.source.DynamicTableSource

asSummaryString

public String asSummaryString()

指定者:

asSummaryString 在接口中 org.apache.flink.table.connector.source.DynamicTableSource

applyProjection

public void applyProjection(int[][] projectedFields,
                            org.apache.flink.table.types.DataType producedDataType)

指定者:

applyProjection 在接口中 org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown

applyReadableMetadata

public void applyReadableMetadata(List<String> metadataKeys,
                                  org.apache.flink.table.types.DataType producedDataType)

指定者:

applyReadableMetadata 在接口中 org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata

listReadableMetadata

public Map<String,org.apache.flink.table.types.DataType> listReadableMetadata()

指定者:

listReadableMetadata 在接口中 org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata